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San Mateo County, CA Parcels & GIS Data

San Mateo County, CA parcel data: 257,141 property records with owner names, assessed values, land use, acreage, and addresses. Preview and download.

Land Records publishes San Mateo County, California parcel data covering 257,141 property records.

This page documents parcel-level coverage for San Mateo County, California. Each parcel record carries its boundary polygon (GIS geometry) along with attributes such as the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and most recent sale price and date. Exact fill rates for San Mateo County are listed in the attribute-coverage table below. Preview the data in the interactive explorer, or download the complete San Mateo County property dataset.

San Mateo County, officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City is the county seat, the third-most populated city in the county after Daly City and San Mateo.

FIPS 06081

Official county website: https://smcgov.org

The FIPS code for San Mateo County is 06081.

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Attribute coverage

San Mateo County contains 257,141 parcels in the current dataset. Column coverage is the percentage of those parcels for which the attribute is populated (non-NULL).

ColumnCoverageRecords populated
lrid100%257,141
parcelid100%257,141
parcelid2100%257,141
ogparcelid100%257,141
ogparcelid2100%257,141
parentid<0.1%0
stackid<0.1%0
geoid100%257,141
statefp100%257,141
countyfp100%257,141
countyname100%257,141
cousubfp100%257,141
cousubname100%257,141
tractce100%257,141
tractname100%257,141
taxacctnum<0.1%0
taxyear89.5%230,123
taxdistrict10.5%27,007
usecode46.3%119,146
usedesc88.9%228,560
zoningcode93.5%240,549
zoningdesc46.5%119,637
numbldgs100%257,141
numunits77.6%199,545
yearbuilt0.3%807
numfloors70.8%182,058
bldgsqft0.3%713
bedrooms<0.1%0
halfbaths<0.1%0
fullbaths<0.1%0
imprvalue44.5%114,314
landvalue44.5%114,314
agvalue44.5%114,314
totalvalue44.5%114,314
taxacres<0.1%0
calcarea100%257,141
saleamt<0.1%0
saledate35.7%91,801
ownertype93.2%239,600
ownername92.2%236,992
owneraddr45.6%117,301
ownercity45.6%117,290
ownerstate45.6%117,208
ownerzip45.6%117,251
parceladdr99.2%255,181
parcelcity99.4%255,616
parcelstate100%257,141
parcelzip99.9%256,907
legaldesc<0.1%0
township98.4%253,085
section98.4%253,085
qtrsection98.4%253,085
range98.4%253,085
plssdesc98.4%253,085
book<0.1%0
page<0.1%0
block<0.1%0
lot<0.1%0
parceltype1.2%3,110
accesstype1.2%3,110
iucnclass0.5%1,373
placename5.0%12,923
placetype4.6%11,791
firmid100%257,137
firmdate100%257,137
fldzone100%257,137
zonesubty96.6%248,287
staticbfe2.1%5,363
elevmin12.8%32,964
elevmax12.8%32,964
elevavg12.8%32,964
fireplaces<0.1%0
heating<0.1%0
heatfuel<0.1%0
cooling<0.1%0
foundation<0.1%0
roofcover<0.1%0
siding<0.1%0
bldgtype<0.1%0
naicscode9.7%24,900
frsid0.7%1,835
dfrurl0.7%1,835
caapermit0.7%1,835
cwapermit0.7%1,835
rcrapermit0.7%1,835
updated100%257,141
centroidx100%257,141
centroidy100%257,141
surfpointx100%257,141
surfpointy100%257,141
geom100%257,141
extras100%257,141
ownerlist92.2%236,968
placefp96.3%247,654
zoningurl<0.1%0

Schema mapping

How source columns from the acquired San Mateo County GIS layers map into the harmonized entity schemas and assemble into the published parcel table, alongside supplemented fields (elevation, flood zone) and deterministic columns.

Schema mapping — San Mateo County, California (06081) 1 entity · most recent acquisition per entity · generated 2026-08-30 direct column transformed (expression) geometry extras json supplemented determined ALL ENTITIES → FINAL PARCEL SCHEMA Harmonized entity columns assemble into publish.parcel_layer — matched by column name. Supplemented fields show their fill rate in this county. SOURCE COLUMNS HARMONIZED ENTITIES PUBLISH.PARCEL_LAYER PARCEL apn search_apn owner_firstname owner_lastname owner_st_number owner_st_dir owner_st_name owner_st_type owner_st_unit owner_city owner_state owner_zip site_st_number site_st_dir site_st_name site_st_type site_st_unit site_city site_state site_zip geom 7 cols ⇢ parcelid parcelid2 ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip geom extras determined · ground truth 100% lrid 100% geoid 100% statefp 100% countyfp 100% countyname 100% cousubfp 100% cousubname 100% tractce 100% tractname 89.5% taxyear 100% updated geom · derived from geometry geom dem.us_1m · USGS 1m DEM 12.8% elevmin 12.8% elevmax 12.8% elevavg s_fld_haz_ar · FEMA NFHL 100% fldzone 96.6% zonesubty 2.1% staticbfe 100% firmdate 100% firmid supplemented · derived / other pipelines 88.9% usedesc 93.5% zoningcode 100% numbldgs 77.6% numunits 70.8% numfloors 98.4% township 98.4% section 98.4% qtrsection 98.4% range 98.4% plssdesc 92.2% ownerlist 96.3% placefp lrid parcelid parcelid2 ogparcelid ogparcelid2 geoid statefp countyfp countyname cousubfp cousubname tractce tractname taxyear usedesc zoningcode numbldgs numunits numfloors calcarea ownertype ownername owneraddr ownercity ownerstate ownerzip parceladdr parcelcity parcelstate parcelzip township section qtrsection range plssdesc firmid firmdate fldzone zonesubty staticbfe elevmin elevmax elevavg updated centroidx centroidy surfpointx surfpointy geom extras ownerlist placefp publish.parcel_layer columns not fed by these sources (43) — empty or below 50% fill in this county parentid, stackid, taxacctnum, taxdistrict, usecode, zoningdesc, yearbuilt, bldgsqft, bedrooms, halfbaths, fullbaths, imprvalue, landvalue agvalue, totalvalue, taxacres, saleamt, saledate, legaldesc, book, page, block, lot, parceltype, accesstype, iucnclass, placename, placetype fireplaces, heating, heatfuel, cooling, foundation, roofcover, siding, bldgtype, naicscode, frsid, dfrurl, caapermit, cwapermit, rcrapermit zoningurl PARCEL 12 mapped · 3 transformed · 7 kept in extras · 42 unmapped (NULL) SOURCE COLUMNS HARMONIZED → PARCEL apn search_apn owner_firstname owner_lastname owner_st_number owner_st_dir owner_st_name owner_st_type owner_st_unit owner_city owner_state owner_zip site_st_number site_st_dir site_st_name site_st_type site_st_unit site_city site_state site_zip geom parcelid parcelid2 ownername CAST(COALESCE(owner_firstname, '') || ' ' || COALESCE(owner_las… owneraddr CAST(COALESCE(owner_st_number, '') || ' ' || COALESCE(owner_st_… ownercity ownerstate ownerzip parceladdr CAST(COALESCE(site_st_number, '') || ' ' || COALESCE(site_st_di… parcelcity parcelstate parcelzip geom extras · 7 source columns preserved as json site_st_post_dir, clientid, shape_starea__, shape_stlength__ stagingid, oldglobalid, globalid extras not present in source — filled with NULL (42) taxacctnum, taxyear, usecode, usedesc, zoningcode, zoningdesc, numbldgs, numunits, yearbuilt, numfloors, bldgsqft, bedrooms, halfbaths fullbaths, imprvalue, landvalue, agvalue, totalvalue, taxacres, saleamt, saledate, legaldesc, township, section, qtrsection, range, plssdesc book, page, block, lot, updated, sourceurl, taxdistrict, parentid, fireplaces, heating, cooling, foundation, roofcover, siding, heatfuel

Neighboring counties

Parcel data for counties bordering San Mateo County:

Frequently asked questions

Where can I find San Mateo County, CA parcel and GIS data?

Land Records publishes a San Mateo County, CA parcel dataset in which every parcel carries its boundary polygon (GIS geometry) along with ownership, assessed value, land use, acreage, and sale history. Preview it in the interactive explorer on this page, or download the full San Mateo County, CA dataset as a GeoPackage or CSV.

How many parcels are in San Mateo County, CA?

The current dataset contains 257,141 parcel records for San Mateo County, CA, each with its boundary geometry and assessor attributes.

What is the FIPS code for San Mateo County, CA?

The FIPS code for San Mateo County, CA is 06081.

What information does each San Mateo County, CA parcel record include?

Each San Mateo County, CA parcel record includes the parcel ID/APN, owner name and mailing address, situs (property) address, assessed land and improvement values, acreage, land-use and zoning codes, year built, and the most recent sale price and date — plus the parcel boundary polygon. Per-attribute fill rates are listed in the coverage table on this page.

Is San Mateo County, CA parcel data free?

You can preview San Mateo County, CA parcels for free in the interactive explorer. The complete dataset is available as a one-time download or through the nationwide parcel web service; see the download options on this page for current pricing.

Does San Mateo County, CA have an official GIS or property records website?

Yes — the official San Mateo County, CA government website is linked in the county details above. Land Records standardizes San Mateo County, CA assessor and recorder records into a single nationwide parcel schema with GIS boundary geometry.

On this page

Attribute coverageSchema mappingNeighboring countiesFAQRelated